Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung nhat ha snippets" » "dung nhan ha snippets", "dang nhat ha snippets", "dung nha ha snippets", "dung nhat hoa snippets", "dung khat ha snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung nhat ha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung nhat ha snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung nhat ha snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nhat ha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.